annotate src/fft.h @ 285:89fe52066db1 tip master

MSCV missing ssize_t fix

/*
 * Copyright (C) 2012 Jamie Bullock
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 */

#ifndef FFT_H
#define FFT_H

#ifdef _MSC_VER
	#ifndef __cplusplus
		typedef int bool;
		#define false 0
		#define true 1
	#endif
#else
	#include <stdbool.h>
#endif

#ifdef USE_OOURA
#include "ooura/fftsg.h"
#else
        #ifndef __APPLE__
                #error "The target platform is not an Apple one and USE_OOURA was not defined"
        #endif
#include <Accelerate/Accelerate.h>
#endif

#ifdef USE_OOURA
typedef struct xtract_ooura_data_
{
    int *ooura_ip;
    double *ooura_w;
    bool initialised;
} xtract_ooura_data;
#else
typedef struct xtract_vdsp_data_
{
    FFTSetupD setup;
    DSPDoubleSplitComplex fft;
    vDSP_Length log2N;
    bool initialised;
} xtract_vdsp_data;
#endif

#endif /* Header guard */